:root{--primary-color: #4f46e5;--primary-hover: #4338ca;--primary-light: #eef2ff;--primary-lighter: #e0e7ff;--success-color: #10b981;--warning-color: #f59e0b;--error-color: #ef4444;--text-primary: #0f172a;--text-secondary: #475569;--text-tertiary: #94a3b8;--bg-base: #f8fafc;--bg-white: #ffffff;--border-color: #e2e8f0;--border-medium: #cbd5e1;--focus-ring: rgba(79, 70, 229, .2)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:16px;line-height:1.6;color:var(--text-primary);background:var(--bg-base);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.2;color:var(--text-primary)}h1{font-size:2.5rem;font-weight:800}h2{font-size:2rem;font-weight:700}h3{font-size:1.5rem}a{color:var(--primary-color);text-decoration:none;transition:color .2s}a:hover{color:var(--primary-hover)}button{cursor:pointer;border:none;outline:none;font-family:inherit}input,textarea,select{font-family:inherit;font-size:inherit;border:1px solid var(--border-medium);border-radius:.5rem;padding:.5rem .75rem;outline:none;transition:all .2s;background:#fff;color:var(--text-primary)}input:focus,textarea:focus,select:focus{border-color:var(--primary-color);box-shadow:0 0 0 3px var(--focus-ring)}.container{max-width:1280px;margin:0 auto;padding:0 1rem}.card{background:var(--bg-white);border-radius:.5rem;padding:1.5rem;border:1px solid var(--border-color)}.card:hover{border-color:var(--border-medium)}.btn{padding:.5rem 1rem;border-radius:.5rem;font-weight:600;transition:all .2s;display:inline-flex;align-items:center;gap:.5rem;text-align:center;font-size:.875rem}.btn-primary{background:var(--primary-color);color:#fff}.btn-primary:hover{background:var(--primary-hover);text-decoration:none}.btn-secondary{background:var(--bg-white);color:var(--text-primary);border:1px solid var(--border-medium)}.btn-secondary:hover{background:var(--bg-base);text-decoration:none}.btn-success{background:var(--success-color);color:#fff}.btn-warning{background:var(--warning-color);color:#fff}.btn-danger{background:var(--error-color);color:#fff}.btn:disabled{opacity:.5;cursor:not-allowed}.badge{padding:.25rem .75rem;border-radius:9999px;font-size:.75rem;font-weight:600;text-transform:capitalize;display:inline-block}.badge-success{background:#d1fae5;color:#065f46}.badge-warning{background:#fef3c7;color:#92400e}.badge-info{background:var(--primary-lighter);color:var(--primary-color)}.badge-error{background:#fee2e2;color:#991b1b}.spinner{border:3px solid var(--border-color);border-top-color:var(--primary-color);border-radius:50%;width:40px;height:40px;animation:spin 1s linear infinite;margin:2rem auto}@keyframes spin{to{transform:rotate(360deg)}}.alert{padding:1rem 1.5rem;border-radius:.5rem;margin-bottom:1rem;border-left:4px solid}.alert-success{background:#d1fae5;color:#065f46;border-color:var(--success-color)}.alert-warning{background:#fef3c7;color:#92400e;border-color:var(--warning-color)}.alert-error{background:#fee2e2;color:#991b1b;border-color:var(--error-color)}.alert-info{background:var(--primary-lighter);color:var(--primary-color);border-color:var(--primary-color)}.progress{background:var(--border-color);border-radius:9999px;height:8px;overflow:hidden}.progress-bar{background:var(--primary-color);height:100%;transition:width .3s;border-radius:9999px}.grid{display:grid;gap:1.5rem}.grid-2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}.grid-3{grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}.grid-4{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}@media (max-width: 768px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}h1{font-size:2rem}h2{font-size:1.5rem}}.form-group{margin-bottom:1.5rem}.form-group label{display:block;margin-bottom:.5rem;font-weight:600;color:var(--text-primary);font-size:.875rem}.form-group input,.form-group textarea,.form-group select{width:100%}.form-error{color:var(--error-color);font-size:.875rem;margin-top:.25rem}table{width:100%;border-collapse:collapse}table th{background:var(--bg-base);padding:.75rem;text-align:left;font-weight:600;border-bottom:2px solid var(--border-color);color:var(--text-secondary);font-size:.875rem}table td{padding:.75rem;border-bottom:1px solid var(--border-color)}table tr:hover{background:var(--bg-base)}.icon-sm{width:1.25rem;height:1.25rem}.icon-md{width:1.5rem;height:1.5rem}.icon-lg{width:2rem;height:2rem}.empty-state{text-align:center;padding:3rem 1rem}.empty-state h3{color:var(--text-primary);margin-bottom:.5rem}.empty-state p{color:var(--text-secondary);margin-bottom:1.5rem}